Gap voltage sensing network for electrical discharge machining p

Details Gap voltage sensing network for electrical discharge machining p Gap voltage sensing network for electrical discharge machining p

1986-08-29

1988-10-11

Pellinen, A. D.

Electric heating

Metal heating

Cutting or disintegrating

B23H 102

Patent

active

047773391

ABSTRACT:
A gap voltage sensing circuit with a voltage divider, a rectifier and a sample and hold integrated circuit. A drive signal branch with a phase shift stage having an offset adjustable potentiometer is driven by the source of the machining pulses to time the sample and hold circuit. An output of the sample and hold circuit is connected to a voltmeter.

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